If you do, drop me a line. Mine came from a charity shop. The one test to perform is to cock the shutter, then try to release it with your hand (or a lens cap) over the lens. If the thing fires, avoid, because it means that the light meter is shot. Best to look for one that is lens-capped or boxed/cased because those old meters degrade through exposure to light over time.
I can tell you where I got the seal kit and the skins, and what - and what not! - to take apart, clean and tighten. It doesn't show in that photo but mine's a fetching shade of dark blue now. I've also fitted a cheapo chrome finish thumbrest and a step-up ring to get to a sensible filter size.
I was in London a couple of weeks ago and saw a couple in shops - in standard, unfettled condition, with swing-ticket prices of £145 - £150. Depressingly, there are those who will pay...